public function testEquals()
{
$r1 = new Reference();
$r1->addBookChapterAndVerseRange(1, 2, 6, 7);
$r2 = new Reference();
$r2->addBookChapterAndVerseRange(1, 2, 6, 7);
$r3 = new Reference();
$r3->addBookChapterAndVerseRange(1, 2, 6, 8);
$this->assertTrue($r1->equals($r2));
$this->assertFalse($r1->equals($r3));
}
